Net Income (loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of basic and diluted net income (loss) per share

The following table sets forth the computation of basic and diluted net income (loss) per share for the three months ended March 31, 2017 and 2016 (in millions, except per share amounts):

	Three Months Ended March 31,
	2017		2016
Numerator:
Net income	$	1,035	$	482
Denominator:
Weighted average shares of common stock - basic	1,083		1,159
Dilutive effect of equity incentive awards	19		11
Weighted average shares of common stock - diluted	1,102		1,170
Net income (loss) per share:
Basic	$	0.96	$	0.42
Diluted	$	0.94	$	0.41
Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive	1		6